The closest I've seen to that question has been occasionally inquiries as to the identity of "us" there.
God is existent in three distinct Persons in perfect harmony, yet is One God. When the Hebrews heard God speak from Sinai they thought it was thunder. I believe each Person, though having their "own" part in ministry, can surely know what the others are thinking, and when one speaks it, all speak it and act as one by their words from their three locations, while each gives glory to the other. Jesus only spoke what He heard the Father say, so that His teaching amazed hearers by the authority of His words.
Jesus, the Father, and the Holy Spirit were all One in total agreement in the initial creation and making of man, but the "us" cold have been two, not all three, on site creating. Study it out, considering it was the Holy Spirit and Jesus. I say that because Adam walked with God in the garden, yet Jesus sheds light this way:
John 6:45-46 (KJV)
45 It is written in the prophets, And they shall be all taught of God. Every man therefore that hath heard, and hath learned of the Father, cometh unto me.
46 Not that any man hath seen the Father, save he which is of God, he hath seen the Father.
The only way a man can comprehend the Father is to comprehend Jesus, whose face men did see, including Adam. The Father spoke from Heaven over Jesus' baptism, when the Spirit descended upon Him. So they can work separately, one in Heaven while two joined on earth, neither separated from the Father. There is in my very hotly contested opinion very little indication in Scriptures that the Father has ever left Heaven while He yet enjoys the works of His hands. Jesus is given credit for the heavy lifting of creation week, as desired by the Father. It's in verse 14-17.
Colossians 1:9-23 (KJV)
9 For this cause we also, since the day we heard it, do not cease to pray for you, and to desire that ye might be filled with the knowledge of his will in all wisdom and spiritual understanding;
10 That ye might walk worthy of the Lord unto all pleasing, being fruitful in every good work, and increasing in the knowledge of God;
11 Strengthened with all might, according to his glorious power, unto all patience and longsuffering with joyfulness;
12 Giving thanks unto the Father, which hath made us meet to be partakers of the inheritance of the saints in light:
13 Who hath delivered us from the power of darkness, and hath translated us into the kingdom of his dear Son:
14 In whom we have redemption through his blood, even the forgiveness of sins:
15 Who is the image of the invisible God, the firstborn of every creature:
16 For by him were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by him, and for him:
17 And he is before all things, and by him all things consist.
18 And he is the head of the body, the church: who is the beginning, the firstborn from the dead; that in all things he might have the preeminence.
19 For it pleased the Father that in him should all fulness dwell;
20 And, having made peace through the blood of his cross, by him to reconcile all things unto himself; by him, I say, whether they be things in earth, or things in heaven.
21 And you, that were sometime alienated and enemies in your mind by wicked works, yet now hath he reconciled
22 In the body of his flesh through death, to present you holy and unblameable and unreproveable in his sight:
23 If ye continue in the faith grounded and settled, and be not moved away from the hope of the gospel, which ye have heard, and which was preached to every creature which is under heaven; whereof I Paul am made a minister;